block 块函数

 1 <?php
 2 function smarty_block_text($args,$content,$smarty,$a)
 3 {
 4     $color=$args["color"];
 5     $size=$args["size"];
 6     if(!$a)
 7     {
 8         $content = "<span style=‘color:{$color};font-size:{$size}‘>{$content}</span>";    
 9     }    
10     return $content;    
11 }

<{text color=‘red‘ size=‘30px‘}>
    hello
<{/text}>